Sentences with phrase «of atmospheric river»

The spatial extent, intensity and location of atmospheric river (AR) landfall are well reproduced by the RCMs, as is the fraction of winter rainfall from AR days.

Then a steady stream of atmospheric river events brought double the long - term average of rain and snow to the Sierra Nevada between October 2016 and April 2017.

Note the tight arc of clouds stretching from Hawaii to California, a visible manifestation of the atmospheric river pouring moisture into western states.

That Great Flood of 1862 was actually a train of atmospheric river storms over about a month, leading to a 200 - year flood.

This study found that associated with a poleward shift of the subtropical jet in the North Pacific basin, the number of atmospheric river days increases much more significantly in Alaska during spring because both increased moisture and increased wind speed gang up to increase the frequency of atmospheric rivers.

In one sentence: A strikingly large increase in the number of atmospheric river days awaits the U.S. west coast if climate warming remains relatively unchecked, according to researchers from Pacific Northwest National Laboratory.

Results: A strikingly large increase in the number of atmospheric river days awaits the U.S. west coast if climate warming remains relatively unchecked.

In a warmer climate, the atmosphere can hold even more moisture, so it is not surprising that the number of atmospheric river days will increase in the future.

The study was constructed from climatological data of atmospheric river events from 1979 to 2014.

A series of atmospheric river storms is to blame, and the state's ageing dams are feeling the strain

«Given that atmospheric rivers over the Atlantic and Pacific oceans appear as coherent filaments of water vapor lasting for up to a week, and that Lagrangian coherent structures have turned out to explain the formation of other geophysical flows, we wondered whether Lagrangian coherent structures might somehow play a role in the formation of atmospheric rivers,» said study coauthor Vicente Perez - Munuzuri, a physicist at the University of Santiago de Compostela in Spain.

According to the study, winter flooding in the UK is set to get more severe and more frequent under the influence of climate change as a result of a change in the characteristics of atmospheric rivers (ARs).

They compared two simulations, present and future, of atmospheric rivers determined from the vertically integrated water vapor flux to quantify the changes in atmospheric rivers that make landfall over western North America.

A study published earlier this year found that climate change may contribute to the growth of atmospheric rivers, increasing the threat of associated flooding.

McEvoy called this level of atmospheric rivers «way above normal.»

Payne, A. E., and G. Magnusdottir (2015): An evaluation of atmospheric rivers over the North Pacific in CMIP5 and their response to warming under RCP 8.5, J. Geophys.

Climate models project that the intensity and duration of atmospheric rivers increase in the Golden State in a warming climate, with the most intense atmospheric river storms becoming more frequent.

One recent study from a University of Georgia team underscored that the U.S. Southeast sees a steady stream of atmospheric rivers.

Not exact matches

Since then it's taken the first - ever photos of Jupiter's poles, discovered atmospheric «rivers» of ammonia, watched 870 - mile - wide cyclones swirl, recorded mysterious auroras, and probed deep into the planet's thick cloud tops for evidence of a solid core, among other feats.

Since then, it has taken the first - ever photos of Jupiter's poles, discovered atmospheric «rivers» of ammonia, watched 870 - mile - wide cyclones swirl, recorded mysterious auroras, and probed deep into the planet's thick cloud tops for evidence of a solid core, among other feats.

Coal that's mined in Wyoming's prolific Powder River Basin has the same atmospheric impact whether it's burned at home or in a power plant outside of Shanghai.

In previous work, the researchers have uncovered key stages of the Madden - Julian Oscillation that affect far - off weather, including atmospheric rivers.

«The Lagrangian coherent structures serve as a kind of temporary scaffolding around which an atmospheric river can grow and lengthen,» Perez - Munuzuri said.

Using publically available data about wind speed and water vapor flux from real - world atmospheric rivers over the Atlantic, the scientists created a computer model consisting of thousands of moving virtual air particles and found a close match between the complex swirls — the Lagrangian coherent structures — made by the air particles and the patterns made by the real atmospheric rivers.

The research emerged from a graduate seminar on atmospheric rivers developed by UGA Distinguished Research Professor Tom Mote, one of the authors of the study.

While atmospheric rivers vary in size and shape, those containing large amounts of water vapor, strong winds, and that stall over watersheds vulnerable to flooding, can create extreme rainfall and floods.

«Drought - busting rainfall this month, which also compromised the U.S.'s tallest dam, has been associated with these atmospheric rivers or what some call the Pineapple Express,» said J. Marshall Shepherd, Georgia Athletic Association Distinguished Professor and director of the atmospheric sciences program at UGA.

University of Georgia geography and atmospheric sciences researchers provide the first detailed climatological analysis of Southeastern atmospheric rivers in a new study published in the International Journal of Climatology.

The team thinks Lagrangian coherent structures could provide a better way of identifying and classifying atmospheric rivers.

This has led to a large decrease in sulfur emissions, and less atmospheric deposition of sulfate to agricultural fields, and consequently, declining sulfate concentrations in rivers.

Yet despite the importance of these «atmospheric rivers» for the global water and heat cycles, the mechanism behind their formation is still a mystery.

In 2016, researchers reported the first use of a deep - learning system to identify tropical cyclones, atmospheric rivers and weather fronts: loosely defined features whose identification depends on expert judgement.

These models aim to incorporate complex climate phenomena such as the fine structures of clouds, atmospheric rivers and ocean eddies.

A study published this year by Bradley Udall, senior water and climate research scientist with the Colorado Water Institute at Colorado State University, and Jonathan Overpeck, professor of hydrology and atmospheric sciences at the University of Arizona, found that during the drought years of 2000 - 2014, the river surrendered a third of its flow because of higher temperatures in the upper basin.

When atmospheric rivers hit land, they bring more than a third of the rainfall that the western states typically receive in the course of an entire year.

The continual drop in oceanographic pH (increase in acidity) is arguably one of the most worrying effects of atmospheric carbon, as up to 40 % of the CO2 released will eventually be dissolved into the world's oceans, lakes, and rivers.

Researchers charge global warming with projected significant increases in the frequency of both extreme precipitation and landfalling atmospheric rivers

That is because atmospheric rivers (see sidebar) often produce heavy, cold season precipitation and flooding when they hit the west coast of North America.

Why It Matters: On average, atmospheric rivers hit the western United States only a few times each winter, but they transport significant amounts of moisture that converges in the mountains producing heavy precipitation.

In the hands of the whizzes at SVS, spreadsheets and data turn into a trippy array of bubbles representing gamma rays, or a satellite's view of water vapor swirling into atmospheric rivers.

The preliminary results of this study have been on our website since the time the flooding happened, but now we have looked not only at the rainfall, but also the influence of anthropogenic greenhouse gas emissions on the atmospheric circulation and how this propagates from rainfall, to river flow down to the direct impact of flooded houses in the river catchment zones.

For the hydrological modelling of the Thames river catchment done at CEH we showed that the changes in atmospheric circulation and precipitation caused higher peak 30 - day river flow, while flood risk mapping revealed a small increase in flood risk for properties in the Thames catchment.

We had an example of this in the U.K. last Winter, 2015/2016, following the v. strong El Nino, and the atmospheric river effect which brought record rainfall and flooding to much of the British Isles.

These moisture plumes are sometimes called «atmospheric rivers,» which are responsible for some of the most damaging flooding events along the U.S. West Coast, particularly in California.

A NOAA website on atmospheric rivers contains this fascinating statistic that illustrates just how much moisture can be transported by winds in the mid-to-upper atmosphere: «A strong atmospheric river transports an amount of water vapor roughly equivalent to 7.5 - 15 times the average flow of liquid water at the mouth of the Mississippi River.&rriver transports an amount of water vapor roughly equivalent to 7.5 - 15 times the average flow of liquid water at the mouth of the Mississippi River.&rRiver.»

According to the National Oceanic and Atmospheric Administration (NOAA), up to half of the yearly precipitation along the West Coast comes in just a few atmospheric river events.

According to NOAA, these atmospheric rivers account for 30 to 50 percent of the annual precipitation to the West Coast.

An Pineapple Express atmospheric river of moist, tropical air will help warm things up further.

Higher rates of rain fall there, which is then channeled into valleys, agitates rivers that aren't ready for the gush of water, said Jeff Weber, an atmospheric scientist at the University Corporation of Atmospheric Research, in Boulder, Colo..

With its chilly, atmospheric and convincing story, Wind River has the feel of a richly immersive novel.